userapps/opensource/net-snmp/agent/mibgroup/target/target_counters.c

   1 #include <net-snmp/net-snmp-config.h>
   2
   3 #if HAVE_STRING_H
   4 #include <string.h>
   5 #else
   6 #include <strings.h>
   7 #endif
   8
   9 #include <net-snmp/net-snmp-includes.h>
  10 #include <net-snmp/agent/net-snmp-agent-includes.h>
  11
  12 #include "target_counters.h"
  13 #include <net-snmp/agent/instance.h>
  14
  15 static oid      unavailable_context_oid[] =
  16     { 1, 3, 6, 1, 6, 3, 12, 1, 4, 0 };
  17 static oid      unknown_context_oid[] = { 1, 3, 6, 1, 6, 3, 12, 1, 5, 0 };
  18
  19 void
  20 init_target_counters(void)
  21 {
  22     DEBUGMSGTL(("target_counters", "initializing\n"));
  23
  24     /*
  25      * unknown contexts
  26      */
  27
  28     netsnmp_register_read_only_instance(netsnmp_create_handler_registration
  29                                         ("myInstance",
  30                                          get_unknown_context_count,
  31                                          unknown_context_oid,
  32                                          sizeof(unknown_context_oid) /
  33                                          sizeof(oid), HANDLER_CAN_RONLY));
  34
  35     /*
  36      * unavailable available
  37      */
  38
  39     netsnmp_register_read_only_instance(netsnmp_create_handler_registration
  40                                         ("myInstance",
  41                                          get_unavailable_context_count,
  42                                          unavailable_context_oid,
  43                                          sizeof(unavailable_context_oid) /
  44                                          sizeof(oid), HANDLER_CAN_RONLY));
  45
  46 }
  47
  48 int
  49 get_unknown_context_count(netsnmp_mib_handler *handler,
  50                           netsnmp_handler_registration *reginfo,
  51                           netsnmp_agent_request_info *reqinfo,
  52                           netsnmp_request_info *requests)
  53 {
  54     /*
  55      * we're only called for GETs of the right node, so this is easy:
  56      */
  57
  58     u_long          long_ret =
  59         snmp_get_statistic(STAT_SNMPUNKNOWNCONTEXTS);
  60     snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
  61                              (u_char *) & long_ret, sizeof(long_ret));
  62     return SNMP_ERR_NOERROR;
  63 }
  64
  65
  66 int
  67 get_unavailable_context_count(netsnmp_mib_handler *handler,
  68                               netsnmp_handler_registration *reginfo,
  69                               netsnmp_agent_request_info *reqinfo,
  70                               netsnmp_request_info *requests)
  71 {
  72     /*
  73      * we're only called for GETs of the right node, so this is easy:
  74      */
  75
  76     u_long          long_ret =
  77         snmp_get_statistic(STAT_SNMPUNAVAILABLECONTEXTS);
  78     snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
  79                              (u_char *) & long_ret, sizeof(long_ret));
  80     return SNMP_ERR_NOERROR;
  81 }